Version 4 SHEET 1 1036 680 WIRE -320 208 -320 112 WIRE -320 352 -320 288 WIRE -64 240 -64 224 WIRE -64 352 -320 352 WIRE -64 352 -64 320 WIRE 0 224 -64 224 WIRE 0 320 0 224 WIRE 16 224 0 224 WIRE 96 112 -320 112 WIRE 96 144 96 112 WIRE 96 352 -64 352 WIRE 96 352 96 304 WIRE 256 224 176 224 WIRE 256 224 256 160 WIRE 352 160 256 160 WIRE 352 224 352 160 WIRE 352 320 0 320 WIRE 352 320 352 288 WIRE 352 352 352 320 WIRE 448 160 352 160 WIRE 464 320 352 320 WIRE 704 160 608 160 WIRE 704 208 704 160 WIRE 704 320 608 320 WIRE 704 320 704 288 WIRE 704 352 704 320 WIRE 816 160 704 160 WIRE 816 192 816 160 WIRE 816 320 704 320 WIRE 816 320 816 272 FLAG 352 352 0 FLAG 448 160 V+ IOPIN 448 160 Out FLAG 464 320 0 IOPIN 464 320 Out FLAG 608 160 V+ IOPIN 608 160 Out FLAG 608 320 0 IOPIN 608 320 Out FLAG 704 352 0 SYMBOL Misc\\signal -320 192 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V2 SYMATTR Value SINE(0 10 50) SYMBOL polcap 336 224 R0 SYMATTR InstName C1 SYMATTR Value 10000µ SYMATTR SpiceLine Rser=0.01 SYMBOL res 688 192 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL res -80 224 R0 SYMATTR InstName R2 SYMATTR Value 1G SYMBOL current 816 192 R0 WINDOW 3 31 73 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 32 100 Left 0 SYMATTR Value 0.5 SYMATTR SpiceLine load SYMATTR InstName I1 SYMBOL bridgerectifier_u 96 224 R0 SYMATTR InstName U1 TEXT -360 -144 Left 0 !.tran 0 100m 0 100u TEXT -360 -104 Left 0 !.options plotwinsize=0 ;data compression off TEXT -8 56 Left 0 ;"universal" symbol TEXT -360 -192 Left 0 !.include bridgerectifier.lib TEXT 736 120 Left 0 ;LOAD TEXT -320 80 Left 0 ;Transformer TEXT -352 -256 Left 0 ;Example with an "universal" symbol TEXT -360 -48 Left 0 ;Keep "bridgerectifier.lib" and the symbol file in the same folder as your schematic. RECTANGLE Normal 912 384 640 96 RECTANGLE Normal -128 384 -384 48